Correlation
Correlation quantifies the strength and direction of the linear relationship between two numerical variables.
Resources
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Game: Guessing the correlation coefficient:
Guessing the Correlation Coefficient
This applet allows users to gain practice guessing a dataset's correlation coefficient.
Developed by Michael Whitlock at The University of British Columbia.
License: CC0.
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Interpreting the correlation coefficient with angles:
Correlation Coefficient r
This applet allows users to drag a slider to change the correlation coefficient r. Angles and associated cosines give the interpretation of the resulting value of r.
Author: © 2022 Milan Valasek, University of Sussex.